638750784

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15331}}^1$

素因数の和:15384

約数の個数: 112

約数和(自身を含む): 1993895936

約数和(自身を除く): 1355145152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 651, 672, 744, 868, 992, 1302, 1344, 1488, 1736, 1984, 2604, 2976, 3472, 5208, 5952, 6944, 10416, 13888, 15331, 20832, 30662, 41664, 45993, 61324, 91986, 107317, 122648, 183972, 214634, 245296, 321951, 367944, 429268, 475261, 490592, 643902, 735888, 858536, 950522, 981184, 1287804, 1425783, 1471776, 1717072, 1901044, 2575608, 2851566, 2943552, 3326827, 3434144, 3802088, 5151216, 5703132, 6653654, 6868288, 7604176, 9980481, 10302432, 11406264, 13307308, 15208352, 19960962, 20604864, 22812528, 26614616, 30416704, 39921924, 45625056, 53229232, 79843848, 91250112, 106458464, 159687696, 212916928, 319375392, 638750784]

約数ペア:

[(1, 638750784), (2, 319375392), (3, 212916928), (4, 159687696), (6, 106458464), (7, 91250112), (8, 79843848), (12, 53229232), (14, 45625056), (16, 39921924), (21, 30416704), (24, 26614616), (28, 22812528), (31, 20604864), (32, 19960962), (42, 15208352), (48, 13307308), (56, 11406264), (62, 10302432), (64, 9980481), (84, 7604176), (93, 6868288), (96, 6653654), (112, 5703132), (124, 5151216), (168, 3802088), (186, 3434144), (192, 3326827), (217, 2943552), (224, 2851566), (248, 2575608), (336, 1901044), (372, 1717072), (434, 1471776), (448, 1425783), (496, 1287804), (651, 981184), (672, 950522), (744, 858536), (868, 735888), (992, 643902), (1302, 490592), (1344, 475261), (1488, 429268), (1736, 367944), (1984, 321951), (2604, 245296), (2976, 214634), (3472, 183972), (5208, 122648), (5952, 107317), (6944, 91986), (10416, 61324), (13888, 45993), (15331, 41664), (20832, 30662)]